# Ecological Pyramid vs CloudLabs Sound Waves

The clearest difference is price: CloudLabs Sound Waves at Free against Ecological Pyramid's $0.99. CloudLabs Sound Waves also leads on device support (3 vs 1) and iOS requirement (9.0 vs 12.0). On update cadence, ads and in-app purchases there is nothing between them.

CloudLabs Sound Waves is free to download; Ecological Pyramid costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ecological Pyramid ships an update every 13 months, CloudLabs Sound Waves every 11 months. The most recent releases landed on October 20, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Ecological Pyramid | CloudLabs Sound Waves |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/ecological-pyramid/id1002379515/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 11 months** |
| Monetization | Paid | — |
| Size | 76 MB | 74 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [www.ajaxmediatech.com](https://appshunter.io/developer/973768003) | [Jiovany Orozco](https://appshunter.io/developer/1114670847) |

## What reviewers say

### Ecological Pyramid

[App page](https://appshunter.io/ios/app/ecological-pyramid/id1002379515)

This app uses animation to teach children about Earth's ecosystems, food chains, and the hierarchy of life. It offers interactive elements to test understanding of ecological pyramids and food chain processes.

**Highlights:** Animated food chain explanations, Detailed theory on ecological pyramids, Interactive ecosystem exploration, Food chain hierarchy assessment, K12 adaptive learning model

**Features:** macOS Compatibility

**In-app purchases:** none


### CloudLabs Sound Waves

[App page](https://appshunter.io/ios/app/cloudlabs-sound-waves/id1633527047)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ecological Pyramid free?

Ecological Pyramid costs $0.99, with no in-app purchases.

### Is CloudLabs Sound Waves free?

CloudLabs Sound Waves is free to download, with no in-app purchases.

### Do Ecological Pyramid or CloudLabs Sound Waves have ads?

Neither Ecological Pyramid nor CloudLabs Sound Waves shows ads.

### Which is updated more often, Ecological Pyramid or CloudLabs Sound Waves?

Ecological Pyramid ships an update every 13 months, and CloudLabs Sound Waves every 11 months. Most recently, Ecological Pyramid was updated on October 20, 2026 and CloudLabs Sound Waves on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*